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104028745 = 5128916141
BaseRepresentation
bin1100011001101…
…01101001001001
321020202012121111
412030311221021
5203112404440
614153410321
72402141542
oct614655111
9236665544
10104028745
11537a3377
122aa099a1
1318724492
14db5d4c9
1591ed4ea
hex6335a49

104028745 has 8 divisors (see below), whose sum is σ = 124939080. Its totient is φ = 83153280.

The previous prime is 104028733. The next prime is 104028751. The reversal of 104028745 is 547820401.

It can be written as a sum of positive squares in 4 ways, for example, as 19149376 + 84879369 = 4376^2 + 9213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-104028745 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626 + ... + 14515.

It is an arithmetic number, because the mean of its divisors is an integer number (15617385).

Almost surely, 2104028745 is an apocalyptic number.

It is an amenable number.

104028745 is a deficient number, since it is larger than the sum of its proper divisors (20910335).

104028745 is a wasteful number, since it uses less digits than its factorization.

104028745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17435.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 104028745 is about 10199.4482693918. The cubic root of 104028745 is about 470.3102599092.

The spelling of 104028745 in words is "one hundred four million, twenty-eight thousand, seven hundred forty-five".

Divisors: 1 5 1289 6445 16141 80705 20805749 104028745